Q- The traffic light at a certain road is set in the following fashion. It starts green at 06:00 and continues to be green till 06:02 and again turns green at 06:06 and continues green till 06:08. This cycle is repeated throughout the day. What percentage of the item during any given hour, the traffic light will be green? If your arrival time at this crossing is random and uniform over the interval 16:55 to 17:05, what is the probability that you will have to stop at this light?